Best Marine Battery Switches

The boat battery accessories are essential to the functioning of the boat. Moreover, Marine battery switches to suit a particular need feature different configurations and quality construction for single and/or dual connections. Most marine battery switch systems are automated to select which of the batteries are charged while in progress and which gets plugged while in play. So, these simple mechanisms save money, time and stress. Nevertheless, prior to shopping, it’s helpful to get an idea of the best brand names and models for consideration. The following marine battery switches are popular with Amazon reviewers and should serve well on the next trip.


The Blue Sea Systems Selector Marine Battery Switch

Its features are:-

  • For emergency starting or charging, it selects battery bank one or battery bank two or one & two
  • Reliable and generates low heat for applications needing high power output
  • Tin plated copper studs 3/8” offer maximum corrosion and conductivity resistance
  • Overheating risk reduced
  • 7/8” length allows various cable terminals
  • Case design allows real switch panel or surface mounting
  • Battery cables up to 4/0 AWG allowed
  • American Boat and Yacht Council (ABYC) compliance
  • Comply UL 1500 and SAE J1171 external ignition protection

The product specifications are:-marine battery switch

  • Continuous Rating: 5 min (UL 1107) 350 Amperes DC
  • Intermittent Rating: (UL 1107) 600 Amperes DC
  • Cranking Rating: 10 sec 2,000 Amperes DC
  • Cranking Rating: 1 min 1,000 Amperes DC Tin-plated copper, Terminal Stud: 3/8”
  • Torque: 140”–lb (15.82 N-m)
  • Maximum Voltage Rating: 32 Volts DC
  • Cable Size to Meet Ratings: 4/0AWG

 Operation Information:-

  • Prior to turning the battery switch to OFF, first turn all appliances off
  • While the engine is running, don’t switch OFF

Installation Procedures:-

  • Mount in an accessible place near the batteries
  • For installation information, refer the up-to-date edition of ABYC E11 and/or NFPA 302 Standards
  • Securely attach the battery cable terminals underneath the nut and lock washer.


This product has a solid plastic casing and is a sturdy switch. The knob is easy to rotate and the maximum voltage is 32 Volts. In a marine environment, any exposed components are corroded very easily. Not with this product though, since no parts are exposed. The beauty of this product is the make-before-it-breaks feature. For instance load 1 goes to battery 1 and load 2 goes to battery 2, whereas batteries 1 plus 2 will have both connected together. This indicates that power is never lost.


The Marinco 701 Battery Disconnect Marine Switches

Its features are:-

  • Non-removable control knob when in on/off position
  • Removes when switched at a counter-clockwise 45-degree position
  • Removable side plates on 4 sides for I/O cables access
  • To avoid short circuits rear cover terminals insulated
  • American Boat and Yacht Council (ABYC) compliance
  • 701 with a 52 mm hole can be recess or surface mounted
  • Battery cables up to 4/0 AWG allowedmarinco disconnect boat battery switches
  • No lags, no sparks

The product aspects are:-

  • Battery Disc
  • Automotive category
  • AFI/Marinco/Guest/Nicro/BEP
  • Product Dimensions: 3 X 6 X 4”
  • Model: BEP Marine
  • Product Weight: 0.3 ounces
  • Device approx. 2.7” X 2.7” and 2.9” high

The product specifications are:-

  • Continuous Rating: 275 Amps DC
  • Intermittent Rating: 455 Amps DC
  • Cranking Rating: 1,250 Amps DC
  • Tin plated copper: Studs and nuts
  • Maximum Voltage Rating: 48 Volts DC

Installation Procedures:-

Disconnect the bottom side of the battery cable and connect it to one of the terminals on the switch. Then run another cable from the other terminal on the switch to the bottom side terminal. While towing, all one needs to do is pop the lid and turn the switch without requiring attaching or removing the battery cable.


This product has a gasket which protects it from the vagaries of the weather. It’s definitely waterproof and can be mounted in the open air. Depending on the mounting surface, different length screws will be needed. Based on the location of the unit, self-tapping bolts or screws with locknuts might be needed. There is no problem with theft since the knob is not removable while in the ON or OFF point. Except for maintenance, there’s really no reason to remove the knob. Its removable back cover is insulated for safety from short circuits and ensures the terminals are safe.


The Perko 8501DP Marine Battery Selector Switch

Its features are:-

  • A single switch allows power selection from #1 battery, #2 battery or both batteries
  • Appropriate for 12 volt, 24 volt or 32 volt systems
  • Improved design protects brass terminals and copper contacts
  • Ignition protected
  • Case design allows for surface mounting
  • American Boat and Yacht Council (ABYC) complianceperko marine boat battery switches
  • Comply UL Listed Std. 1107 and CE

The product specifications are:-

  • Continuous Rating: 250 Amps DC
  • Intermittent Rating: 360 Amps DC
  • Type: 4-way selector switch (Off/1/All/2)
  • Maximum Voltage Rating: 32 Volts DC
  • Terminal Stud Size: 3/8”
  • Diameter: 5 1/4”
  • Depth: 2 5/8”

Additional Information:-

This type of marine switches is used for single or dual engine system through two or more batteries. They allow a choice between the batteries for charging and starting or the functioning of both batteries together. However, while in use with non unitized alternators, these models disrupt the current flow when the running engine is turned OFF. This reduces damages to the switch.


It’s important to note that though the Perko switch is a heavy duty and quality product, it’s not waterproof. However, it is a protected switch whereby no current is allowed to flow between non-level batteries and saves the starter from any damage. It works wonderfully with dual battery set up’s and its smooth function switch controls both volts and amps.

These marine battery switches are very easy to install and its quality, heavy duty unit that exceeds the abilities of low priced switches. The unit can also be installed on a race car or transport trailer as well. Two marine grade 1000 amp batteries can power the 12-volt lighting and trailer jack systems. The switching option ensures 12 volts are available for minimum power to run most applications.


MinnKota MKR-18 12V Plug & Receptacle

Here is one of the motor equipment that you can fix in your trolling boat. This is basically not a part that is to be fixed inside of a motor but is the plug that is to be attached. Some of the features of the product are as follows:

Specifications Of MinnKota Trolling Motor Plug

  • Voltage capacity of the trolling motor plug is 12 V, which is perfect for the motors.
  • The casing of the plug is waterproof and can be easily used in the boats.
  • The electrical components that you will find inside are corrosion free. This is also going to marinco trolling motor plughelp you while you will be fixing that in the boat.
  • You can use the plugin a wide range of voltage capacity. It can be used in a range of 12 to 36 V.
  • There are 2-3 wire configuration in the plug. So use that ideally in the motor.
  • The only thing you need is a mounting hole of 1 to 1.8 inches.

The product is in the market for a long time and it has been rated high by the users too. The device is having a supported plugin and improved casing. The most important thing in the device is the electronic protection with a wash proof coating. This has placed the product as the favorite of the users if their review is considered.

The product is having all the features that you are looking for. It is ideal to be used in the trolling motors. So get it from the online store and find the right support. You will need to go through the simple method of installation, stated above to fix it in the motor. There is no complication in the product. So, it is ideal for you, if you are having the least knowledge about it.


MinnKota MKR-19 Circuit Breaker 60A Waterproof

This circuit breaker system is highly capable of protecting the boat trolling motor wiring from the prospect of electrical damage. Featuring a 60 amp rating along with manual reset, this system is completely waterproof and compatible with all 36trolling motor circuit breaker, 24 and 12 volt systems. This MKR-19 Minn Kota circuit breaker is an exceptional feature to virtually any boat that is fitted with a trolling motor. This unit works excellently to prevent the motor from instances of electrical damage while getting jammed or trapped in heavy weeds or get stuck on a rock. The circuit breaker also features sixty amp rating as well as a manual reset for comfort feature. To install the system, you need to determine an appropriate mounting location for the circuit breaker on your boat.

The circuit breaker can be mounted with 2 holes at the base of the breaker. The motor’s positive power cable must be connected to the terminal that is marked as ‘AUX’ in the circuit breaker. The circuit breaker terminal that is marked as ‘BAT’ should be connected to the positive battery post. With this circuit breaker system, it is possible to avoid the costly electrical damage to the trolling motors. Waterproof construction and manual reset design are the two most desirable features of this unit. It can be mounted easily to floor, hull or battery box compartment. Its installation can be completed within few minutes without any trouble.

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